# retropropulsion

> English word · Noun

## Definitions
1. Backward propulsion, especially the use of rockets to brake or change direction.
2. Alternative form of retropulsion (“abnormal tendency to step backwards”).
3. Alternative form of retropulsion (“forcing something to move backwards or inwards”).

## Etymology
From retro- + propulsion.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/retropropulsion